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PROLUDE AMPLIFICATION 

 

BHV450 and BHV450L 

Bass amplifier 

 
 

User’s manual 

Summary of Contents for BHN450

Page 1: ...PROLUDE AMPLIFICATION BHV450 and BHV450L Bass amplifier User s manual...

Page 2: ...2 2...

Page 3: ...CAUTIONS 2 5 2 2 WARNINGS USED ON THE EQUIPMENT 2 5 2 3 GROUNDING INSTRUCTIONS 2 5 2 4 CE MARK FOR EUROPEAN HARMONISED STANDARDS 2 5 3 SPECIFICATIONS 3 6 4 INFORMATION FOR INSTALLING 4 7 5 CONTROLS AN...

Page 4: ...e and role within the music have all contributed to my enthusiasm To start with my studies and my sphere of interest have both moved me to the direction of electronics As a result PROLUDE AMPLIFICATIO...

Page 5: ...rvicing should be referred to qualified service personnel 11 For continued protection against the risk of fire replace fuses only with those of the same type and rating 2 2 Warnings used on the equipm...

Page 6: ...istor Speaker output connectors Neutrik Speakon Jack combo NLJ2MD H Instrument input connectors Neutrik 6 3mm Jack NMJ4HFD2 Input impedance Passive 500kohms Active 25kohms FX Return 15kohm Active Equa...

Page 7: ...d connect the speaker cabinet to the amplifier before you switch on the amplifier Try to minimize the number of power strips used to connect the amplifier to the mains Use high quality shielded instru...

Page 8: ...Adding more Gain will not cause any problem In such a case you get a larger singnal level with some drive especially when the Valve Loop is activated In some situations this can sound good At this poi...

Page 9: ...our band active equalization system with Low Low Mid semi parametric Mid and High controls If you leave the knobs centered you get a linear uncoloured sound You can bypass this feature with the second...

Page 10: ...l level You can use it also for connecting to a computer s soundcard 5 1 15 Mains You switch on the amplifier with this switch After switching on there is a ventilator test for about 5 seconds after w...

Page 11: ...speaker cabinets One 4ohms or one 8ohms or two 8ohms cabinets can be used Note that the minimum load impedance should not be less than 4ohms Note The speakon connector is a more stable robust and rel...

Page 12: ...urrent 5 4 3 Click noise reduction The connection of the speaker cabinets is internally delayed after switching on therefore there is no click noise on the speaker cabinets when switching on or off 1...

Page 13: ...ctive bass electronic connected to Active input So you do not need a battery in your bass Requirements stereo instrument cable activate the phantom power by the DIP switch located on the bottom of the...

Page 14: ...is a long life type probably you will never have to replace it because of aging However if you feel you are losing sound quality you can easily check it by switching on and off the Valve Loop Replaci...

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